本文共 5219 字，大约阅读时间需要 17 分钟。

Client类：

import java.awt.TextArea;import java.io.IOException;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.io.PrintWriter;import java.net.Socket;import java.net.UnknownHostException;import java.util.Scanner;import javax.swing.JTextArea;import javax.swing.JTextField; public class Client {
   	Socket socket;	JTextField a2;	JTextArea area;	public Client(JTextField a2,JTextArea area) {
   	this.a2=a2;	this.area=area;	try {
   		socket =new Socket("localhost",5252);		In ta=new In(socket,area);		Out te=new Out(socket,a2);		new Thread(ta).start();		new Thread(te).start();	} catch (UnknownHostException e) {
   		// TODO 自动生成的 catch 块		e.printStackTrace();	} catch (IOException e) {
   		// TODO 自动生成的 catch 块		e.printStackTrace();	}	}}

Server类：

import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.net.ServerSocket;import java.net.Socket;import javax.swing.JTextArea;import javax.swing.JTextField; public class Server {
   	ServerSocket server;	Socket socket;	JTextField a2;//发送信息文本框	JTextArea area;//接受文本框	String text="";	public Server(JTextField a2,JTextArea area) {
   		this.a2=a2;		try {
   			server=new ServerSocket(5252);			socket = server.accept();			In ta=new In(socket,area);			Out te=new Out(socket,a2);			new Thread(ta).start();			new Thread(te).start();		} catch (IOException e) {
   			e.printStackTrace();		}			}		}

接受信息In类：

import java.io.BufferedReader;import java.io.InputStream;import java.io.InputStreamReader;import java.net.Socket;import javax.swing.JTextArea;public class In implements Runnable {
   	private Socket socket;	private JTextArea area;	public In(Socket socket,JTextArea area) {
   		this.socket=socket;		this.area=area;	}		public void run() {
   		// TODO 自动生成的方法存根		try {
   			while(true) {
   			InputStream is = socket.getInputStream();			InputStreamReader isr = new InputStreamReader(is, "UTF-8");			BufferedReader br = new BufferedReader(isr);				area.setText(br.readLine());		} }catch (Exception e) {
   			// TODO Auto-generated catch block			e.printStackTrace();		}			}}

发送消息Out类：

import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import java.io.IOException;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.io.PrintWriter;import java.net.Socket;import java.util.Scanner;import javax.swing.JTextField;public class Out implements Runnable{
   	Scanner sc=new Scanner(System.in);	private Socket socket;	private String text;	JTextField a2;	public Out(Socket socket,JTextField a2) {
   	this.socket=socket;	this.a2=a2;	}	@Override	public void run() {
   		// TODO 自动生成的方法存根		OutputStream out;		try {
   			out = socket.getOutputStream();			OutputStreamWriter osw = new OutputStreamWriter(out, "UTF-8");			PrintWriter pw = new PrintWriter(osw, true);			a2.addActionListener(new ActionListener() {
   								@Override				public void actionPerformed(ActionEvent e) {
   					// TODO 自动生成的方法存根					pw.println(a2.getText());				}			});					} catch (IOException e) {
   			// TODO 自动生成的 catch 块			e.printStackTrace();		}						}	}

服务器窗口ServerWindow

import javax.swing.*;import javax.swing.event.AncestorEvent;import javax.swing.event.AncestorListener;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;public class ServerWindow {
       public static void main(String[] args) {
        JFrame win=new JFrame("Tencent QQ");     win.setBounds(200, 100, 1100, 800);//窗口的大小定义     win.setVisible(true);     win.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);         //输入的面板     JPanel panel=new JPanel();     JTextArea area=new JTextArea(30,80);     JTextField toip=new JTextField(30);     JTextField duan=new JTextField(30);     area.setLineWrap(true);     panel.add(toip);     panel.add(duan);     panel.add(area,"South");     win.add(panel);         //输出的面板     JPanel panel2=new JPanel();     JTextField a2=new JTextField(60);     a2.setBounds(0, 0,60, 50);     panel2.add(a2);     win.add(panel2,"South");       //按钮“发送”     JButton Song=new JButton("发送");     panel2.add(Song);     Server b=new Server(a2,area);    }}

用户窗口UserWindow：

import javax.swing.*;import javax.swing.event.AncestorEvent;import javax.swing.event.AncestorListener;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;public class UserWindow {
       public static void main(String[] args) {
        JFrame win=new JFrame(" QQ");     win.setBounds(200, 100, 1100, 800);//窗口的大小定义     win.setVisible(true);     win.setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);         //输入的面板     JPanel panel=new JPanel();     JTextArea area=new JTextArea(30,80);     JTextField toip=new JTextField(30);     JTextField duan=new JTextField(30);     area.setLineWrap(true);     panel.add(toip);     panel.add(duan);     panel.add(area,"South");     win.add(panel);         //输出的面板     JPanel panel2=new JPanel();     JTextField a2=new JTextField(60);     a2.setBounds(0, 0,60, 50);     panel2.add(a2);     win.add(panel2,"South");       //按钮“发送”     JButton Song=new JButton("发送");     panel2.add(Song);	 Client client=new Client(a2,area);     }}

运行结果：

转载地址：http://garwi.baihongyu.com/